class Company(object):
    company_name = '黑马程序员'
    @classmethod
    def change_company_name(cls):
        cls.company_name = '传智教育'
    @staticmethod
    def show_company_info():
        print(f'{Company.company_name}')
    def __init__(self, name, age):

        self.name = name
        self.age = age

    def show_info(self):
        print(f"员工姓名{self.name},年龄{self.age},所属公司{Company.company_name}")